Home / 3,397.55-4,689.29-2,219.00

Finding the Fourth Proportional to 3,397.55, 4,689.29 and 2,219.00

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Solution

The fourth proportional to 3,397.55, 4,689.29 and 2,219.00 is: 3,062.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.55 : 4,689.29 = 2,219.00 : x
  2. Step 2: Convert to fraction form
    3,397.55/4,689.29 = 2,219.00/x
  3. Step 3: Cross multiply
    3,397.55x = 4,689.29 × 2,219.00
  4. Step 4: Simplify right side
    3,397.55x = 10,405,516.61
  5. Step 5: Solve for x
    x = 10,405,516.61/3,397.55
  6. Step 6: Final answer
    x = 3,062.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.